#include<bits/stdc++.h>
using namespace std;
int n,ans;
int a[100010];
map<int,int> mp;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        mp[a[i]]++;
    }
    for(auto i:mp)
        ans=max(ans,i.second);
    cout<<ans<<"\n";    
    return 0;
}